James Till

Prix

1. 1969

   Prix international Canada Gairdner

   Biologie

   In recognition of their development of the spleen colony technique for measuring the capacity of primitive normal and neoplastic cells to multiply and differentiate in the body. This technique has been applied by them and their colleagues, and by many others, to gain important knowledge of the normal formation of blood cells, the behaviour of leukemic cells and methods of treating leukemia, and other aspects of cell biology.

2. 2005

   Prix Lasker — Prix Albert Lasker pour la recherche médicale fondamentale

   Biologie

   For ingenious experiments that first identified a stem cell — the blood-forming stem cell — which set the stage for all current research on adult and embryonic stem cells.